Pill bug, e.g

Usage examples of isopod.

It swims slowly, conserving its energy, not alerting its prey, commonly flatworms and tiny-segmented creatures, predominantly isopods.

It swims slowly and smoothly, its fins moving the water very little, which apparently contributes to its own concealment in a blind environment and makes it easier to detect the vibrations of its prey, any of several varieties of tiny segmented creatures, predominantly isopods.

At that time we lived in an apartment block on the edge of Hampstead Heath which was called Isopod One and had been designed in the international style, along socialist principles, by a famous architecture collective called the Isopod.

These, in turn, become food for various flatworms and numerous tiny-segmented creatures, such as isopods, which, in turn, serve as food for small, blind, white crayfish, felts and salamanders.